1 This winterizing plug is made of rubber and has maximum expandability to ensure a tight seal. 2 Used as a plug to plug the oil skimmer, return pipe and detergent pipe to prevent water from entering in winter. 3 Expansion plugs are also used for other purposes, such as pressure testing pool pipelines or other leak detection methods, or preventing water from flowing out of the pool during equipment maintenance. 4 Use this rubber expansion plug to protect your swimming pool from the harsh winter. 5 This pool winter plug strictly follows factory quality control, compact size and easy to carry.
What's in the box
1 x Winterizing Plug
